. >> law enforcement has to walk a fine line. if they're too threatening and the parents can disappear, the child's life can be in danger. >> our heart goes out to 11-year-old emily. all we want is for her to try to get medical help. >> reporter: for "good morning america," abbie boudreau, abc news, los angeles. >>> and now to that shocking story played out on television in front of millions of viewers. it's a little tough to see this video. a television host setting a magician's head on fire. the magician is all right. he is now in the hospital recovering, and lashing out at that show's host who may soon be arrested. abc's linsey davis has the story. >> reporter: in this death- defying scene, flames shoot from the head of magician wayne houchin, a moment he says is no magic trick. millions of tv viewers watch as this unscripted prank by a tv host backfired in a horrific way. >> his face is burnt. >> reporter: now, that host is expected to face charges, a warrant issued for his arrest. it all started saturday when houchin was a g